diff --git a/install.sh b/install.sh
index 102eaf4..4ae5976 100755
--- a/install.sh
+++ b/install.sh
@@ -72,10 +72,11 @@ if [ -t 1 ] && [ -z "${NO_COLOR:-}" ]; then
     C_GREEN=$'\033[0;32m'
     C_YELLOW=$'\033[0;33m'
     C_BLUE=$'\033[0;36m'
+    C_GREY=$'\033[0;90m'
     C_BOLD=$'\033[1m'
     C_RESET=$'\033[0m'
 else
-    C_RED=""; C_GREEN=""; C_YELLOW=""; C_BLUE=""; C_BOLD=""; C_RESET=""
+    C_RED=""; C_GREEN=""; C_YELLOW=""; C_BLUE=""; C_GREY=""; C_BOLD=""; C_RESET=""
 fi
 
 # ---------------------------------------------------------------------------